159868116 has 54 divisors (see below), whose sum is σ = 417657786. Its totient is φ = 51559200.

The previous prime is 159868081. The next prime is 159868139. The reversal of 159868116 is 611868951.

It can be written as a sum of positive squares in only one way, i.e., 128731716 + 31136400 = 11346^2 + 5580^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32286 + ... + 36906.

Almost surely, 2^159868116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159868116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208828893).

159868116 is an abundant number, since it is smaller than the sum of its proper divisors (257789670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159868116 is a wasteful number, since it uses less digits than its factorization.

159868116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693 (or 4657 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 159868116 is about 12643.8963931219. The cubic root of 159868116 is about 542.7343205447.

The spelling of 159868116 in words is "one hundred fifty-nine million, eight hundred sixty-eight thousand, one hundred sixteen".